* {
  margin: 0;
  padding: 0;
}

header {
  min-height: 0;
  width: 100%;
  background-image: linear-gradient(rgba(3, 16, 44, 0.7), rgba(3, 16, 44, 0.7)),
  url('../images/bg.jpg');  
  background-position: center;
  background-size: cover;
  position: relative;
}

/* landing section */

#landing-section {
  width: 100%;
  height: 100vh;
  background-image: linear-gradient(rgba(0, 175, 239, 0.8), rgba(0, 175, 239, 0.9)),
  url('../images/bg2.jpg');  
  background-repeat: no-repeat;
  background-color: #00afef;
  background-position: center;
  background-size: cover;  
  padding-left: 12%;
  padding-right: 12%;
  box-sizing: border-box;
  overflow: hidden;  
}

#landing-section-text {
  text-align: end;
  padding-top: 150px;
}

#landing-section-heading {
  color: #fff;
  font-size: 62px;
  font-weight: 500;
  line-height: 1.4;
  margin: 0;
}

#landing-section-desc {
  font-size: 30px;
  font-weight: 300;
  color: rgb(255, 255, 255);
}

.btn-dark {
  background-color: transparent;
  color: #fff;
  border: 1px solid #fff;
  padding: 12px 24px;
  font-size: 18px;
  border-radius: 4px;
  margin-top: 24px;
}

.btn-dark:hover {
  background-color: #fff;
  color: #000;
  cursor: pointer;
}

/* product section */

#product-section {
  background-color: #fff;
  padding-bottom: 50px;
}

#product-wrapper {
  width: 80%;
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  padding: 60px 0;
}

#product-wrapper > div {
  width: 100%;
}

.green-heading {
  color: #00afef;
  font-size: 35px;
  font-weight: 600;
  margin: 0;
  margin-top: 35px;
  margin-bottom: 40px;
  text-align: center;
}

.section-description {
  font-size: 16px;
  font-weight: 500;
  color: #8b8b99;
  letter-spacing: 0.5px;
  line-height: 1.6em;
}

/* second section */

#second-section {
  width: 100%;
  height: 65vh;
  background-color: rgb(244, 244, 244);
  padding: 12%;
  box-sizing: border-box;
  overflow: hidden;
}

#second-section-text {
  display: inline-block;
  width: 50%;
  vertical-align: top;
}

.section-heading {
  font-size: 42px;
  color: rgb(84, 84, 84);
  font-weight: 300;
  margin: 0;
}

.section-desc {
  color: rgb(126, 126, 126);
  font-size: 16px;
  line-height: 1.42857;
  margin-top: 24px;
}

.section-quote {
  font-size: 16.5px;
  color: rgb(126, 126, 126);
  font-style: italic;
  line-height: 1.42857;
  border-left: 8px solid rgb(78, 172, 221);
  margin: 24px 0px 20px;
  padding: 0px 20px;
}

.btn-white {
  background-color: transparent;
  color: rgb(78, 172, 221);
  border: 1px solid rgb(78, 172, 221);
  padding: 12px 24px;
  font-size: 18px;
  border-radius: 4px;
  margin-top: 24px;
}

.btn-white:hover {
  background-color: rgb(78, 172, 221);
  color: #fff;
  cursor: pointer;
}

#second-section-image {
  display: inline-block;
  width: 48%;
  text-align: end;
}

/* third section */

#third-section {
  width: 100%;
  height: 65vh;
  padding: 12%;
  box-sizing: border-box;
  overflow: hidden;
}

#third-section-image {
  display: inline-block;
  width: 48%;
  position: relative;
}

#device-image {
  position: absolute;
  top: -220px;
  left: -10px;
}

#third-section-text {
  display: inline-block;
  width: 48%;
}

/* fourth section */

#fourth-section {
  width: 100%;
  height: 65vh;
  background-color: rgb(244, 244, 244);
  padding: 12%;
  box-sizing: border-box;
  overflow: hidden;
}

#fourth-section-text {
  display: inline-block;
  width: 50%;
  vertical-align: top;
}

#fourth-section-image {
  display: inline-block;
  width: 48%;
  text-align: end;
}

/* fifth section */

#fifth-section {
  width: 100%;
  height: 65vh;
  padding: 12%;
  box-sizing: border-box;
  overflow: hidden;
}

#fifth-section-image {
  display: inline-block;
  width: 48%;
  position: relative;
}

#fifth-section-text {
  display: inline-block;
  width: 48%;
}

/* sixth section */

#sixth-section {
  width: 100%;
  height: 65vh;
  background-color: rgb(244, 244, 244);
  padding: 12%;
  box-sizing: border-box;
  overflow: hidden;
}

#sixth-section-text {
  display: inline-block;
  width: 50%;
  vertical-align: top;
}

#sixth-section-image {
  display: inline-block;
  width: 48%;
  text-align: end;
}

@media (max-width: 700px) {
    #second-section-text {
        width: 100%;
    }

    #second-section-image {
        display: none;
    }

    #third-section-text {
        width: 100%;
    }

    #third-section-image {
        display: none;
    }

    #fourth-section-text {
        width: 100%;
    }

    #fourth-section-image {
        display: none;
    }    

    #fifth-section-text {
        width: 100%;
    }

    #fifth-section-image {
        display: none;
    }    

    #sixth-section-text {
        width: 100%;
    }

    #sixth-section-image {
        display: none;
    }    
}